Revelation 7:4

7:4 Now I heard the number of those who were marked with the seal, one hundred and forty-four thousand, sealed from all the tribes of the people of Israel:

Revelation 16:14

16:14 For they are the spirits of the demons performing signs who go out to the kings of the earth to bring them together for the battle that will take place on the great day of God, the All-Powerful.